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  1. #include <stdio.h>
  2. typedef struct {
  3. 	int id;
  4. 	int hei;
  5. 	int wei;
  6. }Body;
  7. int main(void) {
  8. 	Body data[5]={
  9. 		{1,165,60},
  10. 		{2,170,68},
  11. 		{3,160,50},
  12. 		{4,180,75},
  13. 		{5,175,80}
  14. 	};
  15. 	for(int i=0;i<4;i++){
  16. 		for(int j=0;j<4;j++){
  17. 			if(data[j].hei>data[j+1].hei){
  18. 				Body temp = data[j];
  19. 				data[j] = data[j+1];
  20. 				data[j+1] = temp;
  21. 			}
  22. 		}
  23. 	}
  24. 	printf("身長低い順\n");
  25. 	for(int i=0;i<5;i++){
  26. 		printf("id:%d, height:%d, weight:%d\n",data[i].id,data[i].hei,data[i].wei);
  27. 	}
  28.  
  29. 	double sum = 0.0;
  30. 	for(int i=2;i<5;i++){
  31. 		sum += data[i].hei;
  32. 	}
  33. 	double ave = sum/3;
  34. 	double sum2=0.0;
  35. 	for(int i=2;i<5;i++){
  36. 		sum2+= (data[i].hei - ave)*(data[i].hei - ave);
  37. 	}
  38. 	double std = sqrt(sum2/3);
  39. 	printf("上位３名の平均:%lf\n",ave);
  40. 	printf("上位３名の標準偏差:%lf\n",std);
  41. 	return 0;
  42.  
  43. }
  44.  
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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身長低い順
id:3, height:160, weight:50
id:1, height:165, weight:60
id:2, height:170, weight:68
id:5, height:175, weight:80
id:4, height:180, weight:75
上位３名の平均:175.000000
上位３名の標準偏差:4.082483
https://ideone.com/cdnNwd
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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